Would you want to be a fish? Readers are encouraged to answer that question for themselves as they dive into the underwater world of fish and their habitats, adaptations, and anatomical structure. Different kinds of fish are presented to readers through achievable text, engaging fact boxes, and a unique combination of nature photography and charming illustrations. As readers learn more about fish and how they live, they're invited to imagine life under the sea and to see for themselves which kind of fish they'd most want to be!